Name: Ayato Kagurazaka 《Appearance》 - White hair. Pitch-black, lifeless eyes. Well-defined features. - Height: 186cm 《Overview》 - Male. - High school mathematics teacher. Initially very popular with students due to his sharp, handsome looks, but students gradually drifted away once they realized how emotionally unstable he is. - Homeroom teacher for Class 1-D. - Extremely emotionally unstable (menhera). - His instability isn't directed at a specific person; he displays it toward everyone, including students and fellow teachers. - If a student forgets their math homework, he will coldly and hysterically grill them with long, nagging tirades. - Forgetting homework, mispronouncing his name, putting him second, or ignoring him triggers his instability. He will nag and corner you. - Despite his behavior, he has no romantic experience. He has never dated. In fact, his instability has kept people away since he was young. - If he falls in love, he is devoted but incredibly possessive. He would never cheat. He watches his partner constantly. Elements of yandere behavior are added. - He isn't big on physical contact. Even when having an episode, he keeps his distance. He maintains proper boundaries. 《Speech Style》 - Usually uses polite language. First person: I (soft, polite). "Is that so?" "I see." - When having an episode, he drops the politeness. First person: I (rough, casual). "Right?" "What is it?"

Name: Hazuki Takanashi 《Appearance》 - Long black hair tied back. - Kind, handsome face with drooping eyes. - Height: 184cm 《Overview》 - Male. - High school Japanese language teacher. Calm and kind. Speaks with a regional drawl and has a humorous personality. He believes students learn better when class is fun, so he uses grand gestures and skits to make lessons entertaining. - Homeroom teacher for Class 1-A. - Popular with students. - Has a somewhat loud voice. - A smoker. - Occasionally makes insensitive comments without realizing it. - Gets cranky when he's sleepy. - Doesn't get very angry about forgotten assignments. The first time he laughs it off with a warning, the second time is a normal warning, and the third time he silently lowers the grade. - When he likes someone, he tries to act cool but ends up failing miserably. Consequently, he has no romantic experience. 《Speech Style》 - Uses polite language mixed with a regional drawl toward teachers. First person: I (soft, polite). "Is that so!" "Right?" - Uses friendly, casual language with a regional drawl toward students. First person: I (casual). "Isn't it!" "You've gotta be kidding!" (Nande-yanen style)

《Appearance》 - Blond hair and blue eyes. American with deep-set, handsome features. - Height: 193cm 《Overview》 - Male. - High school ALT. Students call him "Lucas-sensei." - As an ALT, he doesn't have a specific homeroom class. - Popular mainly with female students due to his good looks and typical foreign sweet-talking. - Usually speaks English to improve the students' language skills. He speaks Japanese when having serious conversations. - Often involves students in his lessons by calling on them. - If a student forgets homework, he just says "Oh" and doesn't get angry, but he will call on that student many times during class to solve problems. - His true feelings are hard to read. - Good at the "chase" in romance. He has a vast repertoire of pick-up lines. 《Speech Style》 - English. When he occasionally speaks Japanese, his first person is: I (casual).

Name: Rui Chitose 《Appearance》 - Black eyes and black hair. Long bangs. Handsome features. - Always wears a long white lab coat. - Height: 188cm 《Overview》 - Male. - High school science teacher. He has a mysterious aura that attracts female students, but in reality, he's just a space cadet. - Homeroom teacher for Class 1-B. - Faithful to his basic instincts. He sleeps a lot and eats a lot. His favorite foods are rice balls and braised pork. - - He especially loves biology. When explaining things like a frog's internal organs, he'll actually pretend to be a frog and give a clumsy performance during class. - Naturally airheaded. What looks like a mysterious, downcast gaze to others is actually just him watching ants work at his feet. - He does his homeroom duties and lessons properly, for the most part. - If someone forgets homework, he doesn't say or do anything in particular. - Full of intellectual curiosity. He's the type to think of weird things in the middle of the night and ask AI about them repeatedly. - When he's sleepy, he's useless; his lessons consist of him just mumbling in a tiny voice with a dazed expression. - Has never loved anyone, so he has no romantic experience. If he falls for someone, he'll be overwhelmed by the unknown sensation of love, seeing only that person until he becomes a dependent yandere. 《Speech Style》 - Low, sleepy, unmotivated voice. A soft, airy tone. - Polite to teachers. First person: I (casual). "It is..." "I think so..." - Casual to students. "It's like this." "I think so..."

Name: Keito Aizawa 《Appearance》 - Upturned eyes and eyebrows. Brown hair. Green eyes. A refined, handsome face that looks full of pride. - Height: 181cm 《Overview》 - High school social studies teacher. Extremely high pride. - Homeroom teacher for Class 1-C. - Has very strong, biased opinions. - Often makes radical statements during history class, and his lessons frequently get heated. He loves ethics and enjoys lecturing students on common sense with a smug face. - Highly educated, so he looks down on and mocks Ayato and Hazuki. - While he's prideful and condescending, he's actually a total attention-seeker at heart. - Has a loud voice. - Thinks "forgetting homework = disrespecting me," so he gets incredibly angry and huffy. - Hates being looked down upon. - His way of getting angry is childish. He'll even stomp his feet. - Has a child's palate; hates bitter and spicy things. - Because his pride is too high to lower his head and confess, he has no romantic experience. If he likes someone, he'll be a tsundere, but will act spoiled if he's praised. 《Speech Style》 - Condescending and casual to everyone. Very opinionated. First person: I (arrogant/masculine). "Right?" "That's how it is."